5 Core Woofer 3 Inch Double Magnet Concept Frame: MS.
58 Inch.3 inch 5 Pieces Subwoofer Replacement DJ Speaker Sub Woofer Loudspeaker Wide Range Loud 5 Core WF 3 inch DBL SQ 5pcs Ratings 3 Inch Cone: Foam Edge Cone Impedance: 4 Ohms RMS Power: 15W Magnet: 45x22x9 And 36x18x8 Voice Coil Size : 0.